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Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.